glutathione plays an important role in reducing intestinal inflammation The of Protecting against the Severe Inflammatory Response Triggered by COVID-19 Glutathione Participation in the Prevention

5.2 Interaction between dietary fiber and gut microbiota The human body cannot secrete the polysaccharide hydrolases required to decompose dietary fiber independently

In addition, AS-IV-based SLN-gel can regulate collagen fiber arrangement and collagen deposition and reduce scar formation

Amino acid esterification is increasingly implemented to improve the kinetic qualities of drugs of short half-life or with extensive first-pass, which require repeat dosing with resulting increases in peak-level side-effects (c.f

doi: 10.3389/fcell.2021.733751 Received 30 June 2021 Accepted 13 August 2021 Published 08 September 2021 Volume 9 - 2021 Edited by Jian-ye Zhang, Guangzhou Medical University, China Reviewed by Yongdong Niu, Shantou University, China

Typically, promoter hypermethylation silences gene expression, whereas hypomethylation upregulates gene expression, and overall promoter hypermethylation is negatively correlated with gene expression ( FIGURE 1 There are five members of the DNMT family, including three active enzymes, including DNMT1 which is responsible for maintaining the DNA methylation status during DNA replication, and DNMT3a and DNMT3b which mediate de novo methylation of CpG islands to generate new epigenetic marks ( Methyl-CpG-binding protein 2 (MeCP2) is a transcriptional repressor that specifically binds to methyl-CpGs and represses transcription from methylated gene promoters, or is a complex member of DNMT1 involved in DNA methylation maintenance ( in vitro and in vivo (Figure 1B)